Paperlit can process 3 different formats
- single PDF file composed by single pages, without spreads.
- saved in RGB colors at 132/150 dpi
- without print marks
- the PDF's pages should have the same size
- without any password (Paperlit will make some optimizations to your file)
b) .folio files from Adobe DPS Classic.
In order to export the .folio file you should:
1- log in https://digitalpublishing.acrobat.com/ with your Adobe ID
2- access the folio producer panel
3- select the issue and click export
4- upload the exported file to Paperlit dashboard
More info here: http://www.adobepress.com/articles/article.asp?p=1950058&seqNum=6
c) HPUB files exported from In5
Please verify which formats your plan includes.